D. V. Bel’skii and G. P. Pelyukh, “Asymptotic estimates for the solutions of a differential-functional equation with linear delay”, Ukr. Mat. Zhurn., vol. 71, no. 1, pp. 129–138, Jan. 2019, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/1424